A 3BHK interior design cost calculator helps you estimate your budget quickly based on flat size, budget level, and scope of work. Use the step-by-step method below to calculate a realistic cost for your 3BHK home.
Step 1: Enter Your Flat Size (Sq Ft)
Most 3BHK flats range between 1,100 – 1,400 sq ft.
Example:
- Flat size = 1,200 sq ft
Step 2: Choose Your Budget Category (Per Sq Ft Rate)
| Interior Type | Cost per Sq Ft |
|---|---|
| Low Budget | ₹800 – ₹1,200 |
| Mid-Range | ₹1,500 – ₹2,500 |
| Premium | ₹3,000 – ₹5,000+ |
Step 3: Use the 3BHK Interior Cost Formula
3BHK Interior Cost = Flat Size × Rate per Sq Ft
3BHK Interior Design Cost Calculator (Examples)
🔹 Low-Budget 3BHK Interior Cost
- 1,200 sq ft × ₹800 = ₹9.6 lakh
- 1,200 sq ft × ₹1,200 = ₹14.4 lakh
✅ Low-budget range: ₹7 – ₹12 lakh
(when scope is limited to essentials)
🔹 Mid-Range 3BHK Interior Cost
- 1,200 sq ft × ₹1,500 = ₹18 lakh
- 1,200 sq ft × ₹2,500 = ₹30 lakh
✅ Mid-range range: ₹12 – ₹18 lakh
(depending on finishes & furniture)
🔹 Premium 3BHK Interior Cost
- 1,200 sq ft × ₹3,000 = ₹36 lakh
- 1,200 sq ft × ₹5,000 = ₹60 lakh
✅ Premium range: ₹20 lakh+
Step 4: Quick Room-Wise Cost Calculator (Low Budget)
| Area | Approx Cost |
|---|---|
| Living Room | ₹1 – ₹2 lakh |
| Modular Kitchen | ₹1 – ₹2.5 lakh |
| Bedroom 1 | ₹1 – ₹2 lakh |
| Bedroom 2 | ₹1 – ₹1.8 lakh |
| Bedroom 3 | ₹1 – ₹1.8 lakh |
| Painting & Lighting | ₹1 – ₹1.5 lakh |
🔹 Total Low-Budget Estimate: ₹7 – ₹10 lakh
What This Calculator Includes
✔ Modular kitchen
✔ Wardrobes in bedrooms
✔ Basic TV unit
✔ Standard lighting
✔ Wall painting
❌ Excludes luxury décor, premium materials, full false ceilings
How to Reduce Your 3BHK Interior Cost (Calculator Tips)
- Choose modular furniture
- Limit false ceilings to the living room
- Use laminates instead of veneers
- Execute interiors in phases
- Ask for a detailed BOQ before finalising
3BHK Interior Design Cost Calculator – Summary
| Budget Type | Estimated Cost |
|---|---|
| Low Budget | ₹7 – ₹12 lakh |
| Mid-Range | ₹12 – ₹18 lakh |
| Premium | ₹20 lakh+ |
This 3BHK interior design cost calculator gives you a fast, realistic estimate to plan your budget confidently.
If you want, share:
- Flat size (sq ft)
- City
- Budget (low / mid / premium)
I can calculate an exact customised 3BHK interior cost for your home.